Many lenders, myself included, make you sign personally more as a scare tactic than anything.

I saved over $20K using this tactic and also got a new roof. 

Looking foward to learning new investment tactics.

I heard a Biggerpockets podcast where this seasoned real estate investor shared some negation tactics and he said if you want to know if your negotiation skills are good, go to a bar and convince someone to buy you a beer...

(My family stays in the home when they visit)What are the pluses and minuses of each tactic.  

I have used this tactic many times and it works - all part of the negotiating game.

I suggest small operators as here on BP not be the testing field for questionable tactics unless you can afford the battle and the consequences.

I did mention dinging the credit today, but that was more of a scare tactic for the more responsible tenant.

I work with one agent in particular whose preferred tactic is to list a property high enough to attract a certain buyer type then reduce every two weeks until sold. 

I wouldn’t distinguish this from anything else like inspection items used as a tactic to renegotiate.